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Retirment Plans Weighted Average Assumptions used to Determine Benefit and Net Periodic Benefit Costs (Details)
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12 Months Ended | |
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Dec. 31, 2013
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Dec. 31, 2012
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Pension Plans, Defined Benefit [Member]
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| Weighted average assumptions used to determine benefit obligations: | ||
| Discount rate | 4.80% | 4.00% |
| Rate of increase in compensation levels | 4.00% | 4.00% |
| Weighted average assumptions used to determine net periodic benefit costs: | ||
| Discount rate | 4.00% | 4.90% |
| Rate of increase in compensation levels | 4.00% | 4.00% |
| Expected long-term rate of return on plan assets | 7.50% | 7.50% |
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Other Postretirement Benefit Plans, Defined Benefit [Member]
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| Weighted average assumptions used to determine benefit obligations: | ||
| Discount rate | 4.80% | 4.00% |
| Weighted average assumptions used to determine net periodic benefit costs: | ||
| Discount rate | 4.00% | 4.90% |